Fig. 1. Diagram of correlated imaging with pseudo-thermal light

Fig. 2. Experimental setup and results of 1000 frame/s computational ghost imaging^[74]. (a) Diagram of imaging system; (b) imaging results of static object; (c) imaging results of rotating object

Fig. 3. Two-dimentional pseudo-thermal source using multimode fiber coupled with silicon chip and diagram of imaging setup^[80]

Fig. 4. Retinal concave speckleimaging^[84]. (a) Field of view with constant resolution; (b) illumination patterns with constant resolution; (c) reconstructed image with constant resolution; (d) retinal concave field of view; (e) retinal concave illumination speckles; (f) reconstructed image from retinal concave speckles

Fig. 5. Flowchart of multiresolution scale adaptive correlated imaging^[82]

Fig. 6. Flowchart of ghost imaging using deep learning^[30]

Fig. 7. Schematic diagram of CDAE and correlated imaging results of moving object obtained based on machine learning^[94]. (a) Schematic diagram of CDAE; (b) results of correlated imaging for moving object

Fig. 8. Correlated imaging results for moving object with unknown constant speed^[95]. (a) Object; (b) imaging result of stationary object; (c) result of algorithm without compensating speed when object moves at speed of 0.056 pixel/s; (d) imaging result when compensation speed is 0.056 pixel/s; (e) MSE of reconstructed images for different compensation speed

Fig. 9. Results of correlated imaging for moving object based on temporal correlation^[98]. (a) Objects at different positions; (b) results of conventional correlated imaging; (c) correlated imaging results based on temporal correlation

Fig. 10. Imaging results of temporal differential correlated imaging^[101]. (a) Background at time of S0, and objects at different time S1--S4; (b) imaging results of object at S1--S4 time obtained by conventional correlated imaging method; (c) images of moving object at S1--S4 time acquired by temporal differential correlated imaging method

Fig. 11. Diagram of counting principle of ghost cytometry^[102]